﻿body 
{
    margin:0;
    padding:0;
}
#w_box
{
    width:740px;
    height:500px;
}
#w_content
{
    width:730px;
    height:100px;
    margin-top:100px;
    text-align:center;
    float:left;
}
#w_btnList
{
    width:730px;
    height:100px;
    margin-top:20px;
    float:left;
}
#w_btn
{
    width:600px;
    height:80px;
    margin-left:70px;
}
.pannel
{
    width:189px;
    height:52px;
    margin-left:5px;
    float:left;
}